User levels in OpenDayLight controller

I have been playing around Open Daylight Controller from a while now. OD controller divides user in 6 types mainly

1. SYSTEMADMIN - This user is the GOD of OD. He has no restrictions.
2.  NETWORKADMIN - It can do everything but setting a system admin user profile. Still he has lots of power.
3. NETWORKOPERATOR - It can only see what is configured anywhere;
4. CONTAINERUSER - container context user

5. APPUSER - application context user

 6. NOUSER - Get out ! He is not authorized.

I am yet to figure out what user level 4 and 5 can do. Please let me know if you figure it out :)

Definition of these are in UserLevel.java file.

    SYSTEMADMIN(0, "System-Admin", "System Administrator"),
    NETWORKADMIN(1, "Network-Admin", "Network Administrator"),
    NETWORKOPERATOR(2, "Network-Operator", "Network Operator"),
    CONTAINERUSER(4, "Container-User", "Container User"),  
    APPUSER(5, "App-User", "Application User"),
    NOUSER(255, "Not Authorized", "Not Authorized");

Next I will show how to set up an AAA server for OD controller.